---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46839 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 635 10477 4 4876 15010 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:f8:b7:86 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.64/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84813sec preferred_lft 84813sec inet6 fe80::f816:3eff:fef8:b786/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:50:80:2e:76:7e brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-46839) 09/02/26 _x86_64_ (4 CPU) 09:54:27 LINUX RESTART (4 CPU) 10:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:07 3.88 0.06 3.64 0.18 6.71 587.99 24.64 10:20:07 23.93 0.69 21.12 2.11 30.71 6061.85 4269.87 Average: 13.90 0.38 12.38 1.14 18.71 3324.92 2147.25 10:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:07 9669472 12799748 3162148 19.31 115696 3170188 3506792 20.13 506128 5833028 136 10:20:07 10750672 15388580 566680 3.46 137532 4597708 1098324 6.30 868564 4311252 10852 Average: 10210072 14094164 1864414 11.39 126614 3883948 2302558 13.22 687346 5072140 5494 10:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:07 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 10:10:07 ens3 9.71 7.87 36.44 2.29 0.00 0.00 0.00 0.00 10:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:07 lo 442.20 442.20 418.85 418.85 0.00 0.00 0.00 0.00 10:20:07 ens3 55.74 45.62 493.33 71.80 0.00 0.00 0.00 0.00 10:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 221.41 221.41 209.61 209.61 0.00 0.00 0.00 0.00 Average: ens3 32.73 26.74 264.89 37.05 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-46839) 09/02/26 _x86_64_ (4 CPU) 09:54:27 LINUX RESTART (4 CPU) 10:00:07 CPU %user %nice %system %iowait %steal %idle 10:10:07 all 49.46 0.00 0.79 0.02 0.02 49.71 10:10:07 0 56.06 0.00 0.83 0.01 0.02 43.08 10:10:07 1 53.03 0.00 0.77 0.00 0.02 46.18 10:10:07 2 45.34 0.00 0.67 0.01 0.02 53.96 10:10:07 3 43.42 0.00 0.88 0.04 0.02 55.64 10:20:07 all 50.87 0.00 1.58 0.13 0.02 47.40 10:20:07 0 52.41 0.00 1.68 0.17 0.02 45.72 10:20:07 1 44.92 0.00 1.55 0.07 0.02 53.45 10:20:07 2 51.68 0.00 1.47 0.16 0.03 46.66 10:20:07 3 54.47 0.00 1.63 0.13 0.02 43.75 Average: all 50.17 0.00 1.18 0.07 0.02 48.55 Average: 0 54.23 0.00 1.25 0.09 0.02 44.40 Average: 1 48.98 0.00 1.16 0.04 0.02 49.81 Average: 2 48.51 0.00 1.07 0.09 0.02 50.31 Average: 3 48.93 0.00 1.25 0.09 0.02 49.71